Hello:
I want to send you some support. I am one of those "strangers" you have reached out to...and I for one would just like to tell you I feel your pain. And I understand the appeal of asking other moms...sometimes a doctor (any doctor, not just a ped) doesn't "get" that there's really a problem. And I for one struggle with "am I being an over-reactive mom to my way-too-busy peditrician, or is this a real problem". Sometimes it's hard to know and it is always nice to ask another mom...
My son went through this same sort of behavior...it's not easy. The person you love the most in the world (one of them anyway) is hurting themselves. That hurts you too, doesn't it? And to worry that it may be because of something you and his father have done - double yikes! Yes, separation and divorce are quite difficult on family, EVERYONE in the family...not just the children.
With respect to your son...let's say the problem is caused by the separation...help him to discuss how he feels. Ask him how he feels about daddy not living at home any more. Ask him to draw a picture of daddy and to talk about what a great dad he is. Try to remove "husband" from your mind and put on your best teacher hat and just help him tell you how he feels. He may express anger at you...maybe he thinks it is your fault...or worse, HIS fault. Feelings are not right or wrong. They just are. Let him have his feelings. The more we can talk about them, name them, and know we live in a house where it is safe to have negative feelings, the better we get at dealing with them.
Whatever comes up, just keep telling him it's OK..."it's OK for you to be mad at mommy, that's bound to happen. So what do we do when we're angry?" Let him come up with ideas, if he will and if not make suggestions..."well, I've heard some kids will try taking a deep breath or two right off, you want to try that with me now?" The reason you say "some kids" is because they will be more receptive to ideas from other kids than from mom...
Make other suggestions, yelling into a pillow...maybe hitting a pillow, maybe something else physical that is acceptable to you and your household...
Have this sort of conversation with him at a time when he's not angry...then suggest he do some of these things the next time he is angry. You have to remain VERY calm for it to work...he cannot see that he's pushing any buttons of yours...just let him know it makes you sad when he hurts himself and you want to help him work though his feelings...
As to Dr. Laura - yeah, I've heard her. If you want to move back to authoritarian parenting, then she's your gal. Yikes to that. I prefer attachment parenting. I love the concepts given with the "Love and Logic" method...(google "Love and Logic" to find out all about it.)
Parenting is hard enough when life is going smoothly...these last few years there have been LOTS of bumps for many families...the economy, the housing problem, and so on...it's hard right now. Good for you for reaching out in a time of need to get input. I would suggest you talk to your child's doctor. But don't feel helpless to work with your son either...it's hard to stop everything you are doing to focus on him when he goes into a tantrum, but sometimes you just have to do that for a few months to help them work through stuff - and he's going through BIG stuff. I do not believe it's for attention...he's mad, his world has changed...and he probably doesn't understand why, and likely wonders what he did...to him, it's all about HIM at that age...
So just give yourself permission to love him. Don't worry about what others say, we all are too quick to judge and we do not know what has happened in his life - but you do. So just be there for him to the best that you can. And if you're dealing with you own frustration and anger issues, find someone to help you with those so that you can model getting back to center and being OK with things for him.
Much luck to you...My heart and prayers go out to you and your family. I hope you can find a bit of quiet time each day to center yourself and gather your strength...it's important for both you and your son. (and if you think your son needs professional help, get it, that's OK too!)
P.
PS: Maybe you could schedule phone calls with his dad during your work lunch break only...so your son doesn't have to hear them.